Following the declaration of martial law by General Chun Doo-hwan's military government, South Korean special forces were deployed to suppress student-led demonstrations in Gwangju demanding democratic reforms. The ensuing violence, which included live fire on civilians, killed an estimated 200 to 600 people and became a defining trauma in South Korea's path toward democracy.
The uprising began after Chun Doo-hwan seized power in a coup and extended martial law nationwide, closing universities and banning political activity. Students in Gwangju took to the streets on May 18, 1980, and when paratroopers responded with brutal force—beating and bayoneting protesters—the city rose up in full-scale rebellion, briefly seizing weapons and holding the city for days.
The government cut off communications and blocked journalists, and for years the official death toll was minimized while participants were branded as communist agitators or rioters. Only with South Korea's democratization in the late 1980s and 1990s did the full scale of the massacre become part of public memory and reckoning.
Gwangju became a rallying symbol for South Korea's democracy movement, and May 18 is now commemorated as a national holiday. The uprising directly influenced the country's eventual transition to democratic elections in 1987, and Chun Doo-hwan was later convicted for his role, though controversially pardoned.